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E4990A Impedance Analyzer Firmware Update

Please note that you DO NOT need to return your E4990A to Keysight service center for updating the firmware. The E4990A firmware upgrade can easily be performed on your own with the information and tools available on this Web page.

Release Date Version Version Description
2020-03-09 A.03.06 E4990A Firmware Revision A.03.06

How to Download

  • Click the download button and save the file to a temporary directory on your PC (or instrument).

How to Install

  • 1. Move the E4990A_xx.xx.exe to the instrument.
    2. Press System > Service Menu > Exit to terminate the analyzer application.
    3. Double click E4990A_xx.xx.exe on the instrument.
  • E4990A Firmware Update Procedure


  • Does Not Require a License

Supporting Documentation


Installs on:


Operating System

  • Windows 7
  • Windows 10


  • No specific prerequisites.

Supported Instruments

  • E4990A

Related Links